Material packing and weighing machine.



w. s. SMITH & H. w. W E LSH.

MATERIAL PACKING AND WEIGHIN'G MACHINE.

. APPLICATION FILED MAR-25 i913.

.. Patented Apr. 6, 1915.

6 SHEETS-SE82! 1.

NTUPS THE NORRIS PETERS ca. FHOTOLITNO.. WASHINGTON D C.

I V I l W. S.'SMITH & H. W. WELSH.

- MATERIAL PACKING AND wsleume MACHINE.

APPLICATION FILED MAR. 24, 1913.

1,134,705; Patented Apr. 6, 1915.

6 BEEETB-BHBBT 2.

INVENTORS [AMA/E5555 mwymzzw.

A T TnR/v/i Y5 II/E NuRR/S PETER}, :0,. PHo7u-LITHO. WASHINGTON. 0. CV

W. 8. SMITH 6: H- W. WELSH.

Patented Apr. 6, 1915.

s mums-sum a.

THE IICHFIS FETERE CG" PHDTQ-L THOn WASHINGTON. D- C W. 8. SMITH & H. W. WELSH. MATERIAL PACKING AND WEIGHING MACHINE.

V MPUCATION FILED MAR. 24. 1913. 1 ,1 34,705. Patented Apr. 6, 1915.

v 6 BHHBTiD-IHBET 4.

q 5 VENTURS -%Zza 1 75.4!

WITNESSES w Wm WAA A 2Q.

0.. WASHINGTON, DA C.

THE NORRIS PETERS 60.. PHOTO-LIT" W. 8. SMITH H. W. WELSH. MATERIAL PACKINGAND WEIGHING MACHINE.

Patented Apr. 6, 1915.

APPLICATION FILED "AR. 2. 1913.

A T TOR/Vt: Y5]

THE NORRIS PETERS CO, PHOTU-LITHOU WASHINGTON, D. C.

I v f W. 8. SMITH & H. W. WELSH. MATERIAL PACKING AND WEIGHING MACHINE.

APPUCATION FILED MAR. 24, 1913. E

Patented Apr. 6, 1915 6 SKEETS'BHEET 6.

//\/ VENTOQS ATTURN/ZYE.

THE NORRIS PETERS 60.. PHOTG-LITHQ, WASHINGTON. D C.

V 1,134,vo-..;

mmmorma 1 fw ALTERs. SMITH, or cnroeeo, ILLINOIS, AND HENRY w.. WE SH; orivon'rii MIL- WAUKEE WISGQNS1N;:ASSIGNORSgBYjMESNE ASSIGNMENTS, '10 w. & tr. AVERY" -Lrrn, OFBIRMINGHMyENGLAND. 1 I

MATERIAL PAoKiivGnND WE IGHING MAGHINE. .7

To all whom it may. concern .1

' Application filed March z t-1 13.1 Seria1:No. 756,35 8

' citizen of the United States',and a'resident of Chicago, in the county of Cook andState' of Illinois, and HENRY WV. WELSH; a subject of the King of England, and-resident of North Milwaukee, in the county of M11 waukeeand StateLof YVisconsin, have. in-

vented newand useful 'Iinprovements in Mato obtain great rapidity and accuracy the feed and weighing of the materiallf a I A further object of the inventionris to provide a material 'j source of, power.

terialPacking and Weighing' Machines, of

V whichthe following isa description, refer- 'enc'e being had to, the'accompanying drawings, which area part of this specification.

I I V This'invention relates. to improvements in i 15 further "object of the invention isto provide a material'packing and weighing machine which. is comparatively simple in construction" and is entirely automatic in its operations.

theinvention consists ofjthe improvedimai material "packing and" iweighing machines and more particularly to machines for'pack freely flowing material'in sacks or bags; In .the present use -of automatic machines for packing and Weighing non-freely 'flowing material, 'suchas flour, it hasbeen found very difiicultto feed and pack the material into sacks and to automatically ,weighthe the Weighment as then-pressure of the pack-1 same with any-degreeof accuracy'due' to the fact that the material hasa tendency to drop 7 the Weighment is; I either under or overweight. t 7

into the bags in lumps and ing and weighing flour and other like noncla1ms,- and an;

' the same "referencecharacters indicate, the

same parts in all of the'viewsi Figure 1 is a W'ith the aboveand other objects inview, V v

65 terial packing and'weighing'machine and its parts and combinations as set forthin the j speci ficationofLetters Patent.

. '55 i P k ng Weighing 1 lmachme Partsof W h r a t d mm a front view of the improvedfinaterial pack- I It has-also been found tojbe difiicult in the I present .practice to pack the material into material packing and thebag without disturbing :the accuracy of ing means tends to react on the weighing.

mechanism and cause an underweightof 'ma-j terial. I I f It isone of the objects of thepresent inivention to provide a -material packing'and weighing machine whichisadapted to overcome 1; the before m'entioned objectionable features and provide a machinewhich will automatically pack and; weigh the m'aterial v complete the speed. V I r,

r A further object of the invention is to I accurately.

a similar view thereof scale {beam} Fig. 3 is showing "the the upper portion of being broken ofi. to

'ing T and r weighin machine manner of filling'a ag, the material hopper illustrate partsin the its lowermost position.

Fig. 418a view; of the opposite side of the thereof,

.-taken on line 6- 6 ofFig-Q]; -and'Figg7 is a A further objectof the invention is'to provide a material packing and weighing machine which will pack themajor portion of the material into abag-orsack and then automatically place the bag upon ascale and weighment at a slower rate of provide a material packing andiweighing machine with a main or maximum feed and l with an auxiliary or minimum feed in order.

tSldQ members 11 and 12 portion of the' machine.

7.5 rear thereof; 2 is showing the bag as in and resting uponzthe a side view, thereof? weighing machine to f that shown in Fig.- 3; Fig. 5 is a top viewf" portions being in section; Fig. 6is -a'transverse sectional view of themachine vertical sectional detail view of--the lower Referringto the drawings the numeral 10 7 comprises forward and joined together at their upper tion of the frame carries a hopper 14 positending forwardly from which is sli'ppedoveri the tube; The 'sp'out tube is of'suflicient indicates'the frameof the improved mate- I rial ipacking'and weighing machine which rearward upright spaced apart and ends by a rectangular top frame 13. ,The upper por- I I tioned betweenthe upright members-and ex and downwardly thereprovided with a discharge spout in the form of a tube 15 of'approxi- 'mately the inner :diameter of the bag. 16 to be filled to permit the bag to be easily i the dischargeend portion-of connected to the frame extend through the.

terial is supported on the loose bottom portion 17 of the movable table 18.

A spiral conveyeril9 positioned within the spout tube 15 serves to positively discharge the material from the tube and also serves to pack the imaterial intothe bag. The'conveyer is mounted on a vertical shaft 20, the

upper end portion of which extends through the hopper and is journaled in a bearing carried by the upper frame. Theupper end portion of this shaft carries a bevel gear 21 which is in mesh with another gear. 22

mounted on the inner end of a horizontal shaft 23 journaled on the frame. The outer end of the shaft 23 is provided with a wheel v 24 which has a belted connection 25 with a rate of speed during the final or. dribble feed pulley 26 carried by the outer end of 'a short shaft 27. The shortshaft 27 is'journaledin a tiltable bearing 28 mounted on the motor frame 29 and the portion of the shaft on the opposite side of the tiltablebearing carries a worm wheel 30 which isadapted to be swung into mesh with a:worm 31 mounted onthe shaft of an electric motor 32 which is supported by said motor frame. The motor serves torun the spiral conveyer at a slow of material into the bag.

A main driving'shaft 33 journaled in a slidable bearing 34 mounted on the upper end of one of the frame members 11 is provided with a bevel gear 35 which is arranged to be swung into engagement with the bevel gear 21 of the spiral conveyer by the slidable bearing 34 during the period of time the bag is receiving the major portion of its charge of material. The opposite end of the shaft 33 is provided with a pulley 36 for belted connection with a source of power and another pulley 37 mounted on the same end of the shaft has a belted connection 38 with an elevator shaft 39 extending transversely acrossthe rear frame of the machine. The belt wheel40 of the transverse shaft 39 is loosely mounted on said shaft and is connected thereto by a clutch mechanism 41 mounted on the frame and on the shaft and engaging the said beltwheel.

The movabletable 18 has connected thereto two upstanding rack bars 42 positioned on opposite sides of the table which have fastened on the opposite sides thereof apertured guide brackets 43. Vertically eXtending guide rods 44 positioned in front of and openings of the guide brackets 43 and the guide brackets slide freely thereon and guide the table in its movements; The rack bars are in mesh with pinions 45 which are mounted on short shafts 46 gournaled on the opposite ends of these short shafts are providedwith sprocket wheels 47 which'have a:

sprocket chain connection 48 with sprocket wheels 49 carried by the transverse shaft 39.

I frame on opposite sides of thetable and the p The rack and pinion connection with the table serves to move the table downwardly to its lowermost position when the sack or bag has received its charge of material. The

table is raised to its uppermostposition by means of a pair of drums 50 mounted on a- -driun shaft 5l extending transversely of the rear. portion ofthe frame and journaled thereon. The drums have chains 52 wound thereon and'the lower ends of these chains are connected to the upper end of a rod 53,.

the lower end of which is attached to the table.

Oneof the outer-ends of this drum shaft has 'mounted thereona belt drum 54 having a belt 55 wound'thereon which ex-:

tends upwardly and over anidle pulley 56 and has a weight57-connected to its free end" 3 which servestorotate the chain drums. and L pulley 56 is lift the table 18. The idle mountedon the upper frame.

As the material is packed into the bag or sackathe' bag and the table willbe forced V downwardly and when the bag has received themaj or portion of its charge the table willhavearrived at a point where a yielding pin 58 carriedfby the table willengage lever 1 59 and-actuate said leverto swinga clutch lever 60 out of engagement withthe spring pressed clutch locking dog 61 and thus permit said dog to lock the Wheel 40 to-the shaft lowermost position.

Y The table is provided-with a medial open ing 62 which is covered by loose bottom portion 17 and the saidibottom portion is provided with a depending conical. casing 17 which projects through the table opening,

and engages the conical portion 63 of the scale platform'64. V p

The table in its lowermost position-will permit theloose bottom portion'to rest directly upon the scale platform and free from contact with the table. thus automatically transferrlng the bag, to the scale and'permitting the final amount of material'to be fed to the bag while the bag is supported by the scale platform.

When the tablelS has reached its lowermost position the yielding pin 5 8 will slide off the inclined portion'59 of the lever 59 and permit the weights 65 and'66 of the levers 59 and 60 to restore the parts to their normal position andunc1ut h't1 11 g0 2 w from the shaft 41 and stop the rotation of said shaft. The opposite end of the shaft 51 isprovided with abrake wheel 67 which 7 is engaged by a brake. band 68. p The brake is of ordinary construction and is controlled by alever 69 having a weight 7 O adjustably 100 g 41 and rotate said shaft. This rotation will 7 positively move the table downwardly to its connected-to thelever toxincrease or dimi ish the braking. effect. A rod' pivoted to the lever 69 and depending downwardly there- T jmovement to engage the inclined edge 74" of and which l'projects v The fpiniis positioned during :its downward 8.8% ,.projecting from from is connected atlits lower end to a foot lever 72" for convenience" of operation. luv

the brake whilethetable is I a being 'moved. downwardly {the pinions order to release andfracks a yielding trip pin7 3 is provided ;outwardly from the table.

a lever 75 lwhlch' 1s pivoted-tothe" main frame and alsotothe rod 71 so that'as the 1 table is moved downwardly byfthe pinions the brake lieved of band during thedownward' movement of the,

wheel will-be automatically: rethe braking effect of the 7 brake table and also while the table is initslower most position n' moving upwardly the yieldingpin is iforced inwardly by 'thein,-y o clined portion 75- v i Thevmain, frame is provided with a pro of said lever.

jecting arm '76 which has: pivotedto the lower surface thereof,

lever 7 7. is provided with an opening 80 through which extends the lower end. portionofa holding rod '81 which depends from c a geari changing lever V 7, portion of i the holding lug 83 which is engaged by a holding ,finger: the :arm 76 when the is connected.- to

82. The Y lower Lend holding rod is pulled lever 85 pivoted to holding rod 81- is conveniently positioned to downwardly. o Ahand be. pulled downwardly bytheoperator; A rflatp-spring 86- carried by the trip lever/Z7 bears against the, 'outer side 'ofjthe holding rod and serves to yleldingly press the holdingrod against the end of the finger 84 and to permit the projecting lug. to snap beneath saidffinger c of the lug being beveled for'that purpose.

The downward rod; 81 will swing the? slidablebearing 34 vtion of the spiral gear 21 and stop the I In order to start: the final. or slow feed of complete the weigh: Q.

by the holding finger and: projection engagement and 7 to disengage c the projection 83 fromthe finger :andpermit the bevel gear35'to drop out of mesh with the initial feed.- 1

materialinto the sack to ment'a bell} cranlrlever 87 pivoted to the motor frame 29 and positioned beneath the shortshaft27 is arranged to swing :the said j mounted a triplever 77 positioned to engage'a, cam 78 adjustably carc ried on a rod'79 whichgisconnected to, the

- table.18;- The outerend portion of the trip, v the wires 93 and 94.;

materialfon V the weight onthe weight -platform.-

the frame and to the:

weight on 31 of the; motor 32. This, engagement will ofthetabIelIS. p o The scale is oftheeven'balance typeand to the side offthe f to the opposite ends of"'said"beams. "The platform is adapted to receive weights (not and extending beneath'the rearvends of' the beams limit the downward movement of one o fthe stops and the rear end of one of the beams electrically connects the motori32 to a source of current supply by means of? The contact switch;

is sopositionedwit'h relation to the stop and the beam as to breakthe circuit and stop the the weighing platform In use the bag resting feed" bevel sackandj as the sack is filled it will berfor'ced i pressure of the spiral conveyer actingnpon the"material in fthe downwardly by the sack? W e t OI"; portion of the ma,

tGI'ltLl has'been packedqinto the. sack the will be actuated to rack the table downward and deposit thefmovable v clutch mechanism will be again automatical y actuatedto" stop, the" rotation of the track movement. Inmoving downwardly the table will-actuate the brake wardly and. when while beingracked dow the table reaches its lower a wormgwheel 'thereoniiinto mesh with the worm I cause the rotation of the spiral COIIVGYGIT at n a slower rate of s'peedfthrough the 'connec-qo 1 tions before described; [The bell crank lever I '87. vis swung toengage and disengage the'': V I tiltablefshaft'271bya pin 88 projectingfrom the side portion comprises the weighing beams 89 fulcrumed i h rame andlhaving the i I weighing platform 64 pivoted to the beams, at one end andaweightplatform- 90 pivoted Q of various amountsto balance the amount" of materialbeing weighed. Stops" 91- projecting from the frame said arms when the weighingplatform is relieved of the weight of the bag of material; c a: i

{An electric contact switehi92 carried by 1, g I 9O 95 I motorandthe flow of materialas soon as the 1 balances sack-or bflg is slipped over the spout end with the bottom portion 50f. the on the movable portion ofthe' table and the machine. is v started by pulling down on the hand lever to 'swing'the maingears into mesh. The material V willnow be discharged and packed, into the the table on the weighing platform; When the tablereaches its lowermost position the position the brakewill again beautomatiw cally'set to hold the table in, this positional Simultaneously with the spiral conveyer; at a when the material inthe' sack balances the 8 weight platform the mover-V:

this movement the l main feed bevel gears will be swung :out'of mesh by the trip: lever and the motor slowf feed mechanism will be actuatedto turn f1 7 slow speed. .Thispgf i slow feed will complete, the weighmentr and I l V igi s ig'vot merit of the scale beam will break the motor circuit and the feed will" stop. The filled and weighed sack is now removed and another bag is slipped overythe discharge spout and the foot leveris depressed torelease the brakej' lhe table will now be pulled to its upper position by the lifting weight and in moving upwardly it will again raise the movable bottom portion from the weighing platform to its upper position and the operation of filling is again re peated.

From the foregoing description it will be seen that the material packingand weighing machine is well adapted for the purpose desired. i

What we claim as our invention is:

1. A material packing and weighingmachine, comprising a spoutfor discharging material into a sack, a movable table for supporting the sack while being partly filled,

and a'iweighing platform positioned directly below the table to receive the partly filled sack and to support the same while it is receiving the balance of its charge ofmaterial,

' 2. A material packing and weighing machine, comprising a spout for discharging material into a sack, a movable table for yieldingly supporting the sack while'being partly filled, means for packing the material while it is fiowing'into the sack, and a weighing platform positioned directly below the table to receive the partly filled sack and to support and automatically stop the flow of material into the sack when the sack has received the balanceof its charge of ma the platform, and automatic'means for stopping the flow of material into the sack when the material within the sack reaches a predetermined weight.

l. A material packing and weighing machine, comprisin'g a spout for discharging material into a sack, means for feeding the material at different rates of speed, a movable table for yieldingly supporting the sack while receiving the major portion of its charge at a rapid speed rate, means for packing the material while it is flowing into the sack, a weighing platform positioned beneath the table for supporting the sack of material. while it is: receiving 7 its minor? charge of material at'a reduced speedrate,

means for moving the partly filled sackof material to a position to" be ,supportedon the platform, and automatic means for stopping the flow of material into the sack when;

the material withinthe sack reachesa prel determined weight 5. A materialpacki-ngand weighing m'afj chine, comprisinga weighing mechanism, a spoutfor discharging material into a sack and having a variable feed, a-table for hold I ing the sack while 1t is receivingthe 'major portion of its charge at acertam'rate of feed, and means for'movingthe partly filled sack to a position to be supported on, the weighing mechanism to'receive the remain- I ing portion of its charge at a slowerrate of feed.

chine',-comprising a weighing mechanism,

6. Amaterial packing and weighing ma 85, i a frame adjacent thereto, a table vertically slidably mounted-thereon, a spout for disa charging material into a sack supported on the table, saidytable adapted to support said sack while receiving a portion of its charge,

means for, packing said material within the sack, means for transferring the weight of thepartly filled sack to the weighing mechj anism to receive the remaining portion of" a its charge, and means controlled by the weighing mechanism for stopping the. flow of material when the sack has received a predetermined weight of material.

7.-A material pa'cking and'weighingmachine, comprising a weighing mechanism, a

frame ad acent thereto, a table vertically slidably mounted thereon, a discharge spout connected to the'frame and provided with a discharging material from 'the spout into a sack and for packing the material in the revoluble material discharging means for sack, said table supporting said sack while being partly filled and packed, means for rotating the re'voluble member at a certain,

speed, means'for rotating the revoluble member at a slower rate of speed, means for movs ing the table downwardly to transfer the weight of the material to the weighing mechanism, the movement .of said table downwardly changing the rotation of the revoluble member to the slow rate of speed, and

means for stopping the rotation of the revoluble member when the sack has received predetermined weight ,of material.

'8. A material packing and weighing machine, comprising a weigning mechanism, a

frame adjacent thereto, a table vertically slidably mounted thereon,aldischarge spout connected to the frame and having a discharge tube adapted to extend into the sack being filled to a point adjacent .to the lower end ofthe'sack, a spiral conveyer mounted within the discharge tube for discharging packing said material in the sack, said table material from the tube into the sack and for ing the table in transfer the weight .mally holding the table supporting said sack i while being fil ed and slower rate of speed, meansiformoving the table downwardly when the sack has received a predetermined portion of its charge toofthe partly filled sack to the weighing mechanism, themovement of said table downwardly changing the rotation of the conveyer'ito the ,slow' rate of speed, and means for stopping the rotation of the conveyor when the sack has received a predetermined weight of material,

9. A chine, frame, adjacent thereto, a table slidably mounted material packing and weighing upper position,;a discharge spout connected received a p p charge to transfer the'weight of'thepartly' the sack to a point said sack while being partly filled and packed, means forrotating the conveyer at a certain rate ofspeed, other means for rotatlng the conveyer at a slower rate of speed, means for positively" moving the table to its lowermostyposition when. the sack has predetermined portion of its filled sack to the weighing mechanism, the

' rate of speed,

movementv ofsaid tabledownwa-rdly changing the rotation of the'conveyer. to the slow rotation of the conveyer when the sack has received a predeterminedweight of material, p

10. A material packing and weighing ma i Copies 01: this patent may be obtained for five-centseach, addressing the Commissionerof Patents,

I partlypacked,"means for yieldingly h'oldan upper position, meansfor rotating the conveyer at a certain rate of; speed, means for rotating the conveyer at, a

sack, comprising a weighing mechanism, a

vertically thereon, a weight :for nor-- yieldingly'in its for packing said 9 supporting and means for stopping the" havinga-weighingplatform provided With an upstanding. conical, portion, a frame-ad-Qj l jacent thereto, a tablejvertically f slidably I mounted thereon and provided with a medial; 7

opening covered by; aloose bottom portion Y '50 holding the table yieldingly initsupper position, a dis chargepspout connected" to the (frame and H having ahconjical casing depending therefrom, a rweight for normally having a discharge tube adapted to be ex:

tended into the sack to a point adjacent to the lower end thereof, a spiral f'chine, comprising a weighing mechanism I iconveyermounted within thedischargetube for discharging material :from the tube int o the said table supporting said'sack while 7 a mg meansfor rotating, the conveyer at a certain rate of speed, an electric motor or being partly filled and packed, a main drivrotating the conveyerata slower rate of speed, a rackrand p1n1on means I fOrsPOSlQ tively'mov'ing the table to its lowermost po I sition when the sack hasreceived I termined p' rtion of its charge, the table in moving downwardly depositing the conical casing of themovablebottom portion upon Y a" downward movement of theconical upstanding portion of the weighing mechanism, the the 'table' disconnecting the means from the spiral convey r and starting the electric drive of saidconveyer, a brake position,

termined weight ofmaterial. I In testimony whereof, -we afiix tures, in presenceof tWO-WltIlBSSG I i wALTER's. sMITn.

'Witnesses: I I CLARA V. MUELHBACH,

KEENE v; f washingtomDi {1,3 g

main driving 7 our signal-i HENR WELSH? V i a predemeans for holding the table in'its lowermost I and means forstopping theelectric (lIflVG' whenthe sack has received a. prede-f 

